-29.11% is the change from 828 to 587
Calculation steps:
[( 587 - 828 ) ÷ 828] x 100 = -29.11%
Formula
Percentage change = [(587 - 828) / 828] x 100
Subtract the new number by the original number
587 - 828 = -241
-241 ÷ 828 = -0.29106280193236717
-0.29106280193236717 x 100 = -29.11%